Capacitance is the ability of an object to store electrical charge. Any object that can be electrically charged exhibits capacitance.

learn more…

Impact of pad cap on return loss


Hello Experts,I am designing a package for a 12 Gbps Serdes.The package layout is showing a differen......

asked by amit.j.kumar lastest answer by al

4 years 11 months 20 days

0

votes

6

answers
3373 views

Not SI - Thermals!!


Hello all,Please forgive the sharp right turn I am taking!I am getting into the thermal modeling at ......

asked by Charles.Grasso lastest answer by mrose

5 years 1 month 21 days

0

votes

9

answers
2504 views

NEXT vs. Frequency


Hello experts!It is well known that NEXT coefficient is dictated by the properties of theinterconnec......

asked by bbakshan lastest answer by jpoltz

5 years 4 months 2 days

0

votes

6

answers
2023 views
5 years 6 months 7 days

0

votes

1

answers
1771 views
5 years 6 months 14 days

0

votes

0

answers
2170 views

Query on ESD protection for USB 2.0 signals


Hi Techies,I have a question on USB2.0 ESD protection. What is the main criteria tosee in selecting ......

asked by chundis lastest answer by Charles.Grasso

5 years 8 months 25 days

0

votes

4

answers
2311 views

DECOUPLING CAPACITOR SELECTION


Dear Sir,I have no experience in high speed design and I am beginner of boarddesign. I am fully con......

asked by rssuresh.eee lastest answer by olaney

5 years 8 months 2 days

0

votes

2

answers
1985 views

Capacitance of Transmission Line


Hi Experts,Happy new year!When I extract the RLCG of ideal transmission line, I observe that the cap......

asked by dmarc-noreply lastest answer by dmarc-noreply

5 years 9 months 14 days

0

votes

8

answers
2455 views

Double-AC coupling


Hi,What will happen if a link has two set of AC coupling(internal as well asexternal).I know this wi......

asked by balaseven lastest answer by sherman.chen

5 years 11 months 11 days

0

votes

5

answers
1726 views

rules of thumb in SI Bogatin EDN column


Hi folks-I wanted to mention the column I write for EDN on Rules of Thumb for SI. Iincluded a few ex......

asked by eric

6 years 1 month 5 days

0

votes

0

answers
1792 views

need the mutual inductance and mutual capacitance......


ée¡ëÞ¯*'{ò&?Ë2¢ïç£)?©í¡Æ¥réZµëazk­¹©bÛ?µ©Üy©Ý?ënjW¥§"µ©Üy·­Á秷&?Êè²Úâ§ö§vØ^²)à?é¢rº,¶¸©?wnrÖ§qæ......

asked by wangwensong1986

6 years 2 months 4 days

0

votes

0

answers
1856 views

Optimizing differential vias for high speed serde......


I have been doing some 3D simulations of differential vias usingHyperlynx.3D EM solver. I have found......

asked by joel lastest answer by bertsimonovich

6 years 7 months 1 day

0

votes

3

answers
2442 views

Bandwidth Problem


Hi All,I am trying to decide a voltage translator IC and I have some questionsthat I believe I can g......

asked by soner86 lastest answer by weirsi

6 years 7 months 2 days

0

votes

1

answers
1839 views

DDR3 Ccomp capacitance delay


Hi Experts,SODIMM and controller specifications I read all say to match (in time) address/command ne......

asked by petebenjamin730 lastest answer by brahimkou

6 years 10 months 10 days

0

votes

5

answers
2611 views

reference plane cutout under DC blocking capacito......


Hi all, I believe reference plane cutouts under the DC blocking capacitor padsfor high speed signa......

asked by bala89si lastest answer by weirsi

6 years 11 months 8 days

0

votes

13

answers
2674 views

Can I help?


Hello to the SI list.I am new to this list but not new to problems of board design. I have read m......

asked by ralphmorrisonee lastest answer by olaney

7 years 27 days

0

votes

3

answers
2496 views

Effective Radius of Decoupling Capacitor


Hi experts,I read from an application note that the effective radius of the capacitance if 0.005*lam......

asked by sij99 lastest answer by Gert.Havermann

7 years 1 month 3 days

0

votes

8

answers
2163 views

Power Plane impedance measurement on the PCB


Content-Type: text/plain; charset="US-ASCII"Hi Experts,I have a question about making power plane im......

asked by Ravinder.Ajmani lastest answer by larrys

7 years 2 months 1 day

0

votes

1

answers
1760 views

write time budget for DDR2


HiI am calculating the Data write time budget for DDR2 interface.I referred the following document.h......

asked by kbmanick

7 years 3 months 6 days

0

votes

0

answers
1942 views

Effect of shielding on characteristic Impedance


Hi,Can anyone explain how a nearby quiet trace can effect the trace impedance in stripline. I want t......

asked by Naresh.Dhamija lastest answer by Gert.Havermann

7 years 3 months 19 days

0

votes

1

answers
2299 views
Looking for more? Browse the complete list of questions, or popular tags. Help us answer unanswered questions.